/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.carbondata.core.carbon.metadata.schema;

import java.io.Serializable;
import java.util.List;

import org.apache.carbondata.core.carbon.metadata.schema.table.column.ColumnSchema;

/**
 * Store the infomation about the schema evolution
 */
public class SchemaEvolutionEntry implements Serializable {

  /**
   * serilization version
   */
  private static final long serialVersionUID = -7619477063676325276L;

  /**
   * time stamp of restructuring
   */
  private long timeStamp;

  /**
   * new column added in restructuring
   */
  private List<ColumnSchema> added;

  /**
   * column removed in restructuring
   */
  private List<ColumnSchema> removed;

  /**
   * @return the timeStamp
   */
  public long getTimeStamp() {
    return timeStamp;
  }

  /**
   * @param timeStamp the timeStamp to set
   */
  public void setTimeStamp(long timeStamp) {
    this.timeStamp = timeStamp;
  }

  /**
   * @return the added
   */
  public List<ColumnSchema> getAdded() {
    return added;
  }

  /**
   * @param added the added to set
   */
  public void setAdded(List<ColumnSchema> added) {
    this.added = added;
  }

  /**
   * @return the removed
   */
  public List<ColumnSchema> getRemoved() {
    return removed;
  }

  /**
   * @param removed the removed to set
   */
  public void setRemoved(List<ColumnSchema> removed) {
    this.removed = removed;
  }

}
